text: try {
      var number = 0;
      do {
          number++;
      } while (number < 9);
      assert(number === 9);
  
      number = 0;
      do number++; while(number < 3);
      assert(number === 3);
  
      console.log("PASS");
  } catch (e) {
      console.log("FAIL: " + e);
  }
  